Quantum Computing Jobs

Technical Programme Manager, System Delivery

This role involves leading the deployment and commissioning of IonQ's quantum computing systems at customer sites across Europe and Asia. Responsibilities include planning, export/import logistics, global mobility coordination, site readiness, and risk management. The role requires a hardware background, experience with complex technical deployments, and comfort with cross-functional team leadership.

IonQ Oxford, United Kingdom

Optics Technician

This role involves hands-on support for the assembly and maintenance of quantum computer systems, including optical, mechanical, and electrical components. The technician will work in a lab and workshop environment, ensuring safety and producing technical documentation.

IonQ Oxford, United Kingdom

I'd love to work at PQShield - Speculative Application

This speculative application role invites candidates to join a pioneering deep-tech startup focused on post-quantum cryptography and RISC-V-based secure computing. You'll work alongside founders and innovators on cutting-edge semiconductor solutions, contributing to groundbreaking security technologies in a flexible, inclusive environment. The role emphasizes collaboration, rapid learning, and real-world impact in a rapidly scaling field.

PQShield United Kingdom

Senior Quantum Applications Architect

This role involves developing and adapting quantum algorithms for fault-tolerant quantum computers, translating real-world computational problems into abstract quantum specifications, and analyzing their performance and resource requirements. The candidate will lead research initiatives, collaborate with internal teams and external partners across industries like life sciences and sustainability, and help define benchmarks that demonstrate quantum advantage. Close interaction with the Compilation and Architecture teams ensures algorithmic designs are grounded in practical photonic quantum computing constraints.

PsiQuantum Daresbury, United Kingdom £78,900 – £92,900 pa

Field Engineer: Cryogenics & RF Hardware

This role involves operating, maintaining, and troubleshooting advanced cryogenic and RF systems for quantum processors at customer sites worldwide. The engineer will perform cooldowns, diagnose faults in dilution refrigerators, validate RF hardware, and manage vacuum and helium systems in a production-like research environment. Frequent international travel and on-call support are required to ensure system uptime and collaborate with global teams.

Rigetti United States US$115,000 – US$140,000 pa

Optical Engineer

Design and integrate high-precision optical and laser subsystems for trapped-ion quantum computing systems. Develop test methods and support alignment and diagnostics to ensure robust performance. Work within a multidisciplinary team of engineers and scientists to advance commercial quantum hardware.

Universal Quantum Haywards Heath, United Kingdom

On-site Permanent

Experimental Quantum Physicist

Operate and characterise ion-trap quantum computing hardware, developing quantum control protocols for ion shuttling and gates. Perform calibration, optimisation, and characterisation while building theoretical models to validate experimental results. Collaborate with a multidisciplinary team to advance next-generation quantum computing technologies.

Universal Quantum Haywards Heath, United Kingdom

On-site Permanent

IT Engineer

This role provides frontline IT support in a high-stakes quantum R&D and semiconductor fabrication environment, serving a technically diverse workforce. The engineer ensures uninterrupted operations by managing endpoints, user provisioning, and critical IT systems across Windows, macOS, and Linux platforms, with responsibilities spanning from onboarding to incident response in controlled environments. The position demands strong triage skills, familiarity with lab and cleanroom protocols, and the ability to support specialized research infrastructure.

Rigetti United States US$80,000 – US$120,000 pa

Solicitor/Associate

We are growing our Keoghs Scotland’s Abuse team in Glasgow and are looking for a Solicitor or Associate.This is a challenging, high-impact role advising a varied and interesting client base on complex and sensitive claims.You’ll work with a dynamic, supportive...

Keoghs Glasgow, Alba / Scotland, G2 1AL, United Kingdom

Permanent

Software Engineers

You will join a fast-moving product team, working on mission-critical enterprise software and services. Your responsibilities include refining system designs, embracing AI tooling, monitoring production performance, and resolving issues swiftly. The role involves close collaboration with systems architects and senior developers, focusing on scalable, resilient, and performant solutions.

Arqit United Kingdom

Senior Software Engineers

You will join a fast-moving product team, influencing product decisions, mentoring junior engineers, and engaging directly with customers. Your work will involve building scalable, mission-critical software, leveraging AI tooling, and ensuring high resiliency and performance in production.

Arqit United Kingdom

On-site Permanent

R&D Scientist, Quantum Algorithms

Design and implement quantum algorithms focused on solving differential equations, with opportunities to publish and collaborate across the quantum computing stack. Work on real-world applications using high-fidelity hardware and contribute to end-to-end resource estimation under realistic constraints.

Quantinuum London, United Kingdom

Hybrid Permanent

Postdoctoral Research Associate in Quantum Many-Body Systems

This role involves working on a collaborative quantum science project, specifically focusing on classical benchmarking and numerical methods for simulating highly occupied bosons coupled to qubits. The project aims to address the challenges of simulating complex quantum systems on near-term hardware, with a focus on Pauli propagation and tensor network methods.

King's College London London, United Kingdom £45 – £48 pa

Contract

Embedded Systems Engineer - FPGA Platform

Develop embedded Linux software, firmware, and board-support packages for FPGA-based systems used in quantum RF and sensing applications. Integrate FPGA SoCs, microcontrollers, and peripherals into robust control and signal-processing platforms. Perform board bring-up, debugging, and validation in collaboration with multidisciplinary engineering teams.

Infleqtion Kidlington, Oxfordshire, United Kingdom

Hybrid

General Interest in working for Quantinuum - London-Cambridge-Oxford

This is a general interest application role for candidates with experience or interest in quantum technologies. The position serves as a talent pool for future openings across quantum hardware, software, quantum chemistry, AI/ML, encryption, and algorithms. Applicants may be contacted for specific roles in London, Cambridge, or Oxford as opportunities arise.

Quantinuum United Kingdom

On-site Permanent